U.S. patent number 3,574,992 [Application Number 04/865,641] was granted by the patent office on 1971-04-13 for linear time column.
Invention is credited to George T. Ladas.
| United States Patent |
3,574,992 |
| Ladas |
April 13, 1971 |
LINEAR TIME COLUMN
Abstract
A linear time display clock in the form of a column having a
translucent face behind which is a vertical stack of 11 cells.
Electric bulbs in the cells are selectively activated by an
electrical control circuit operated by a timer, whereby the cells
are sequentially illuminated to provide a colored panel on the face
of the column whose position is indexed linearly to indicate the
passage of time. The hours one to 11 are indicated by illumination
of cells one to 11, respectively, going from top to bottom, whereas
the 12th hour (noon and midnight) is indicated by again
illuminating the sixth or midpoint cell, the distinction between
the sixth and 12th hour being established by a difference in panel
color. Five-minute increments, which are 11 in number, running from
five minutes to 55 minutes, are indicated by sequentially
illuminating cells one to 11, but in a color distinct from the hour
indications.
|
Inventors: |
Ladas; George T. (New York,
NY) |
| Family
ID: |
25345935 |
| Appl.
No.: |
04/865,641 |
| Filed: |
October 13, 1969 |
| Current U.S.
Class: |
368/82; 368/234;
968/946; D10/25 |
| Current CPC
Class: |
G04G
9/04 (20130101) |
| Current International
Class: |
G04G
9/04 (20060101); G04G 9/00 (20060101); G04c
019/30 () |
| Field of
Search: |
;58/1.2,23.50,127 |
References Cited
[Referenced By]
U.S. Patent Documents
Foreign Patent Documents
Primary Examiner: Wilkinson; Richard B.
Assistant Examiner: Simmons; Edith C.
Claims
I claim:
1. A clock having a linear time display, said clock comprising:
A. a column having a translucent, indicia-free face which is dark
in the absence of illumination from behind said face;
B. a stack of 11 equal cells disposed behind said face, each having
a colored light bulb, except for the sixth cell which is in the
exact middle of the column and has two light bulbs of different
color, said bulbs when activated providing illuminated light panels
along said face; and
C. timing means cyclically to activate said bulbs in a sequence
wherein the hours 1 to 11 are indicated by the cells 1 to 11 from
top to bottom and the 12th hour is indicated by activating the
second bulb in the sixth cell.
2. A clock as set forth in claim 1, further including a second set
of colored light bulbs in said cells and timing means to operate
said light bulbs sequentially from top to bottom to indicate
5-minute increments.
3. A clock as set forth in claim 1, wherein said bulbs for the
third, sixth and ninth hours are differently colored from the other
bulbs.
4. A clock as set forth in claim 2, wherein said cells are
partitioned to separate the hour from the minute bulbs to provide
distinct sectors of light on said panels.
5. A clock as set forth in claim 2 wherein said second set of light
bulbs are disposed in cells in a separate column parallel to the
main column.
Description
BACKGROUND OF INVENTION
This invention relates generally to timepieces, and more
particularly to a clock in the form of a column having a linear
time display.
In conventional clocks, the time display is almost invariably in
the form of hands which turn at different rates to afford hour and
minute indications. The appearance of a standard clock, however
modern its casing and however streamlined or stylized its time
display, is nevertheless incongruous in a contemporary setting. The
current trend toward minimal art in architecture and in interior
design involves a reduction in apparent detail in order to
establish an environment in which mechanical, structural and
electronic elements are obscured or submerged. Existing clocks fail
to meet the criteria for minimal art.
Living in a highly advanced technology in which individuality has
little place, the individual, in order to regain his equilibrium
and sense of personal worth, seeks in his domestic environment to
avoid the appearance of complexity without, however, sacrificing
engineering advantages. Thus, it is often the practice to house
stereophonic high-fidelity equipment in cabinets of extreme
simplicity having a so-called black light panel, which, in the
absence of internal illumination, presents a perfectly blank
mirrorlike surface concealing the underlying dials and meters.
In minimal art, furnishings take the form of basic geometric
shapes, such as slabs, cubes, cylinders and parallelepipeds, the
shapes being adapted to function as beds, seats and sofas. Use is
often made of grain-free plastic materials which may be transparent
or translucent, rather than traditional woods or metals, again for
the purpose of avoiding all ornamentation or display other than
that imparted by the basic geometric form.
Numerical indications and moving hands afford a mechanistic time
display which runs counter to the modern decorative trend and to
some degree is also superfluous. Because the typical observer has
long been conditioned to read time in terms of position along a
scale, numerical indicia are not essential. Moreover, while one
must be informed as to the hour, minute and second, to know the
exact time, as a practical matter in a domestic environment, such
information is more than necessary, for it is quite sufficient to
read time in 5-minute increments. For this reason, many household
clocks designed for their decorative appeal only mark the 5-minute
increments.
SUMMARY OF INVENTION
In view of the foregoing, it is the primary object of the invention
to provide a clock in the form of a column having a linear time
scale in which the passage of time is indicated by the position and
color of an illuminated panel along the face of the column.
More specifically, it is an object of the invention to provide a
time column in which the passage of time is linearly related in
5-minute intervals utilizing 11 illuminated color positions to
afford a constant progression of hue and form relationships.
A significant feature of the invention is that the linear time
column has a severe, pure geometric form, free of hands or
numerical indicia, in which time indicia are derived from the
position and color of the panel which is indexed along the face of
the column.
While a novel display in accordance with the invention entails some
degree of reconditioning in reading time, this is easily acquired,
in that the time display, though perhaps mysterious to the
uninitiated, is perfectly clear and aesthetically satisfying to the
knowledgeable owner.
Briefly stated, in one embodiment of the invention, these objects
are accomplished in a column having a translucent face, behind
which is disposed a stack of 11 cells of equal size, each having
bulbs therein which are selectively energized by an electrical
control circuit operated by a timer. The arrangement is such that
the cells are sequentially illuminated in a manner whereby the
hours 1 to 11 are indicated by cells 1 to 11 respectively, going
from top to bottom of the column, whereas the 12th hour, (noon or
midnight), is indicated by again illuminating the sixth cell, the
distinction between the 6th and 12th hour being established by a
difference in color. Five-minute increments, which are 11 in
number, running from 5 minutes to 55 minutes, are indicated by
sequentially illuminating cells 1 to 11 but in a color distinct
from the hour indications.
In another embodiment of the invention, the minute display is
effected by a separate column having 11 cells standing next to the
hour column to provide a twin column system.
BRIEF DESCRIPTION OF DRAWINGS
For a better understanding of the invention as well as other
objects and further features thereof, reference is made to the
following detailed description to be read in conjunction with the
accompanying drawing, wherein:
FIG. 1 is a perspective view of a single system linear time column
in accordance with the invention;
FIG. 2 schematically shows the arrangement of light bulbs in the
cells of the column;
FIG. 3 is a schematic diagram of the electrical circuit for
energizing the bulbs in a timed sequence; and
FIG. 4 is a perspective view of a double linear column in
accordance with the invention.
DESCRIPTION OF INVENTION
Referring now to FIG. 1, there is shown a linear time column in
accordance with the invention, the column 10 having a rectangular
cross section and being provided with a translucent face 11 made of
a dark-grey plastic material, preferably an acrylic such as
Plexiglas. The column is otherwise opaque and may be of polished
stainless steel or similar material. Time is indicated by
illuminated light panels such as panels 12 and 13 whose position
and color along the column are representative of the passage of
time. In the absence of illumination, the face of the column is
dark, so that one sees nothing but the particular panel being
illuminated.
Referring now to FIG. 2, behind the face of the column is a
vertical stack of 11 rectangular cells 1 to 11, of equal
dimensions. Disposed within cells 1 to 11 on the right side thereof
are 11 electric light bulbs BM.sub.1 to BM.sub.11 which, in
practice, may be green colored, to indicate the passage of minutes
in 5-minute increments. Thus, bulb BM.sub.1 , when activated,
indicates 5 minutes after the hour; bulb BM.sub.2, 10 minutes after
the hour and so on to bulb BM.sub.11 which indicates 55 minutes
after the hour.
Disposed in the left side of the cells are bulbs BH.sub.1 to
BH.sub.11 to indicate the passage of hours I to XI. In practice,
these bulbs may all be blue except for bulbs BH.sub.3 , BH.sub.6
and BH.sub.9 , which are of magenta to highlight the third, sixth
and ninth hours. The 12th hour, (noon or midnight), is indicated by
bulb BH.sub.12 which is disposed in cell 6 between bulbs BH.sub.6
and BM.sub.6 .
The activation of the bulb is selectively controlled by a suitable
electronic or mechanical switching device operated by a timer so
that, in the course of each hour, starting a moment after 12-noon
or 12 -midnight, the following switching actions occur:
A. Bulbs BM.sub.1 to BM.sub.11 are sequentially energized to
provide successive green light indications in cells 1 to 11,
indicative of 5 -minute, 10-minute, 15-minute, 20-minute,
25-minute, 30-minute, 35-minute, 40-minute, 45-minute, 50-minute
and 55-minute intervals.
B. At 60 minutes after 12-noon or 12-midnight, blue bulb BH.sub.1
is activated to indicate 1 o'clock.
C. Thereafter, bulbs BM.sub.1 to BM.sub.11 operate in sequence to
indicate 1:05, 1:10, 1:15 and so on to 1:55, whereas at 1:60 blue
bulb BH.sub.2 is activated to indicate 2 o'clock. D. At 3, 6 and 9
o'clock, bulbs BH.sub.3, BH.sub.6 and BH.sub.9 which are then
activated, have a magenta color to better establish these time
periods.
E. At 12 o'clock, (noon or midnight), the red bulb BH.sub.12 is
operated, this bulb appearing in the cell 6 position.
Thus, the hours 6 and 12 are indicated at the midpoint in the
column, a color distinction serving to establish the hour in
question. The side-by-side colors in each cell may be delineated by
a partition which, in effect, divides the color panel into two
sectors of different color. Or, the partition may be omitted to
cause an overlap of colors in the junction areas. But, in either
case, hours and minutes are represented by different colors. In
place of bulbs, one may use color cards which are operated
electromagnetically or mechanically and are shifted into a visible
position at appropriate intervals.
Following are examples of time indications produced by the linear
time column using the color code specified previously.
Example 1. Second panel blue -- Sixth panel green (2:30)
Example 2. Second panel blue -- 11th panel green (2:55)
Example 3. Third panel magenta -- No green (3:00)
Example 4. Third panel magenta -- First panel green (3:05)
Example 5. Third panel partially magenta, partially green
(3:15)
Example 6. Sixth panel magenta-- No green (6:00)
Example 7. Sixth panel red -- No green (12:00)
An electronic circuit for carrying out the above-described
switching operations is shown in FIG. 3 where it will be seen that
the hour indicating bulbs BH.sub.1 to BH.sub.12 each have one end
connected to one terminal 14 of an electric power line. The other
end of bulbs BH.sub.1 to BH.sub.12 are connected to the fixed
selector contacts S.sub.1 to S.sub.12 of a stepping mechanism 15
whose movable armature 16 is connected to the other terminal 17 of
the power line. Thus, when armature 16 engages contact S.sub.1,
bulb BH.sub.1 is energized, when it engages contact S.sub.2, bulb
bh.sub.2 is energized, etc.
The minute-indicating bulbs BM.sub.1 to BM.sub.11 are each
connected at one end to terminal 14 of the power line, and at the
other end to selector contact S.sub.2 to S.sub.12 of a stepping
mechanism whose first contact S.sub.1 is left blank. The movable
armature 19 of this mechanism is connected to the other power line
terminal 17. Thus, when armature 19 engages contact S.sub.2, bulb
BM.sub.1 is activated, when it engages contact S.sub.3, bulb
BM.sub.2 is activated and so on. Both stepping mechanisms are
electromagnetically energized.
Stepping mechanism 18 is operated through a normally closed contact
20 which connects this mechanism across the power line to effect
energization thereof, the associated armature 19 being caused to
step to the next position when contact 20 is broken.
Contact 20 is operated by a timing motor 21 powered from the line,
the motor causing the normally closed contact 20 to open at
5-minute intervals, such that at the beginning of the hour,
armature 19 engages contact S.sub.1, at which point no bulb in the
BM.sub.1 to BM.sub.12 series is activated, but at 5 minutes after
the hour, armature 19 is stepped to engage contact S.sub.2, at
which point BM.sub.1 is activated. This stepping action continues
at 5-minute intervals until at contact S.sub.12, bulb BM.sub.12 is
activated to indicate 55 minutes after the hour.
When bulb BM.sub.12 is activated, a relay 22 shunted across the
bulb is energized, the relay then acting to open a normally closed
switch 23 in series with stepping mechanism 15. Thus, at the
conclusion of the 55-minute interval, what occurs at 60 minutes
after the hour, relay 22 is deenergized, thereby closing switch 23
and activating stepping mechanism 15, at which point armature 16 is
caused to step to one contact (S.sub.1 to S.sub.12). Hence, at the
conclusion of any hour, as indicated by the deenergization of relay
22, armature 16 steps to operate an appropriate hour bulb. In this
manner, after each sequential operation of the minute bulb series
BM.sub.1 to BM.sub.11, an hour bulb BH.sub.1 to BH.sub.12 is
activated to indicate the next hour.
In FIG. 4, the time display is effected by twin columns 24 and 25,
column 24 containing bulbs BH.sub.1 to BH.sub.12 for the hour
display in a stack of 11 cells and column 25 containing bulbs
BM.sub.1 to BM.sub.11 for the minute display in a similar stack of
11 cells. This arrangement functions in the same manner as the
single column in FIG. 1, except that the minute bulbs are
physically segregated from the hour bulbs.
While there has been shown a preferred embodiment of the invention,
it will be obvious that many changes may be made within the scope
of the invention. Thus, the switching action called for may be
effected by a motor-operated cam whose cyclical rotation activates
microswitches to effect the sequential activation of the bulbs. The
columns need not have a rectangular cross section and, in practice,
other configurations may be used.
* * * * *