CH551657A - - Google Patents
Info
- Publication number
- CH551657A CH551657A CH1587771A CH1587771A CH551657A CH 551657 A CH551657 A CH 551657A CH 1587771 A CH1587771 A CH 1587771A CH 1587771 A CH1587771 A CH 1587771A CH 551657 A CH551657 A CH 551657A
- Authority
- CH
- Switzerland
Links
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F8/00—Apparatus for measuring unknown time intervals by electromechanical means
- G04F8/006—Apparatus for measuring unknown time intervals by electromechanical means running only during the time interval to be measured, e.g. stop-watch
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
- G07C1/02—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people not involving the registering, indicating or recording of other data
- G07C1/08—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people not involving the registering, indicating or recording of other data wherein the time is indicated by marking an element, e.g. a card or tape, in position determined by the time
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1587771A CH551657A (en:Method) | 1971-11-01 | 1971-11-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1587771A CH551657A (en:Method) | 1971-11-01 | 1971-11-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CH1587771A4 CH1587771A4 (en:Method) | 1974-01-31 |
| CH551657A true CH551657A (en:Method) | 1974-07-15 |
Family
ID=4412710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1587771A CH551657A (en:Method) | 1971-11-01 | 1971-11-01 |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH551657A (en:Method) |
-
1971
- 1971-11-01 CH CH1587771A patent/CH551657A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH1587771A4 (en:Method) | 1974-01-31 |