GB1258786A - - Google Patents
Info
- Publication number
- GB1258786A GB1258786A GB1258786DA GB1258786A GB 1258786 A GB1258786 A GB 1258786A GB 1258786D A GB1258786D A GB 1258786DA GB 1258786 A GB1258786 A GB 1258786A
- Authority
- GB
- United Kingdom
- Prior art keywords
- key lever
- tab
- encoding device
- light
- paths
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L13/00—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
- H04L13/16—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00 of transmitters, e.g. code-bars, code-discs
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Input From Keyboards Or The Like (AREA)
- Push-Button Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70137768A | 1968-01-29 | 1968-01-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1258786A true GB1258786A (US06650917-20031118-M00005.png) | 1971-12-30 |
Family
ID=24817117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1258786D Expired GB1258786A (US06650917-20031118-M00005.png) | 1968-01-29 | 1969-01-23 |
Country Status (7)
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4247211A (en) * | 1978-03-04 | 1981-01-27 | Olympia Werke Ag | Optically coded keyboard arrangement |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3334237A (en) * | 1964-02-07 | 1967-08-01 | Monroe Internat Inc | Photoelectric signal control with power keyboard actuated code discs |
US3369643A (en) * | 1966-03-24 | 1968-02-20 | Avgerinos | Encoding keyboard |
-
1968
- 1968-01-29 US US701377A patent/US3507995A/en not_active Expired - Lifetime
- 1968-12-31 FR FR1586594D patent/FR1586594A/fr not_active Expired
-
1969
- 1969-01-14 DE DE19691901622 patent/DE1901622A1/de active Pending
- 1969-01-23 GB GB1258786D patent/GB1258786A/en not_active Expired
- 1969-01-23 CH CH99069A patent/CH481756A/de not_active IP Right Cessation
- 1969-01-28 BE BE727532A patent/BE727532A/xx unknown
- 1969-01-29 NL NL6901440A patent/NL6901440A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BE727532A (US06650917-20031118-M00005.png) | 1969-07-01 |
NL6901440A (US06650917-20031118-M00005.png) | 1969-07-31 |
FR1586594A (US06650917-20031118-M00005.png) | 1970-02-20 |
DE1901622A1 (de) | 1969-09-04 |
US3507995A (en) | 1970-04-21 |
CH481756A (de) | 1969-11-30 |
DE1901622B2 (US06650917-20031118-M00005.png) | 1970-11-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |