GB1329209A - Electric switching device - Google Patents
Electric switching deviceInfo
- Publication number
- GB1329209A GB1329209A GB3753671A GB3753671A GB1329209A GB 1329209 A GB1329209 A GB 1329209A GB 3753671 A GB3753671 A GB 3753671A GB 3753671 A GB3753671 A GB 3753671A GB 1329209 A GB1329209 A GB 1329209A
- Authority
- GB
- United Kingdom
- Prior art keywords
- coils
- depressions
- comb
- button
- levers
- 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
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
- G06C7/00—Input mechanisms
- G06C7/02—Keyboards
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
- G06F3/0202—Constructional details or processes of manufacture of the input device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
- H01H1/242—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting the contact forming a part of a coil spring
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- Human Computer Interaction (AREA)
- Push-Button Switches (AREA)
- Toys (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
1329209 Retractive switches T ARVAI 10 Aug 1971 [10 Aug 1970] 37536/71 Heading H1N A switching device has contacts comprising a helically coiled wire 1 and blade 3, the wire 1 being supported on a base 5 formed with a plurality of depressions 2a into which the coil can be deformed. This contact arrangement is said to give reliable immediate engagement with no contact bounce; the blade 3 can engage between the turns of the coil or simply abut on turn. In Figs. 2 (not shown) and 3 a plurality of coils 1 extend side by side on a base 11 formed with the depressions. Above the coils a plurality of levers 12, at right angles to the coils, are pivoted on a shaft 14; each is biased away from the coils by a spring 16 and carries a push button 19; a plurality of balls 15 arranged parallel to the coils 1 ensure that one only of the levers 12 can be depressed by its push button at any time. Each lever 12 carries a comb 12 providing a plurality of contact blades 12a aligned with the coils and depressions 2a. In use each comb 12 has most of its blades 12a broken away (Fig. 3a, not shown) leaving a predetermined pattern, each comb being different, so that depression of any button 19 causes predetermined ones of the coils 1 to be connected to a voltage source and thus provides a discrete coded output from the coils corresponding to the button depressed.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7029447A FR2102579A5 (en) | 1970-08-10 | 1970-08-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1329209A true GB1329209A (en) | 1973-09-05 |
Family
ID=9060044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3753671A Expired GB1329209A (en) | 1970-08-10 | 1971-08-10 | Electric switching device |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3745269A (en) |
| AU (1) | AU3214471A (en) |
| BR (1) | BR7105114D0 (en) |
| CA (1) | CA941423A (en) |
| CH (1) | CH546474A (en) |
| DE (1) | DE2139812A1 (en) |
| ES (1) | ES394606A1 (en) |
| FR (1) | FR2102579A5 (en) |
| GB (1) | GB1329209A (en) |
| NL (1) | NL7111019A (en) |
| SE (1) | SE361757B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1460021A (en) * | 1973-01-24 | 1976-12-31 | Gen Electric Co Ltd | Electric switches |
| SE375868B (en) * | 1973-11-07 | 1975-04-28 | Facit Ab | |
| FR3120836B1 (en) | 2021-03-16 | 2023-02-10 | Psa Automobiles Sa | METHOD FOR CONTROLLING A VACUUM PUMP OF AN ELECTRIC VEHICLE |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2666822A (en) * | 1952-10-15 | 1954-01-19 | Central Commercial Ind Inc | Stop switch |
| US2882514A (en) * | 1955-10-11 | 1959-04-14 | Bell Telephone Labor Inc | Electric circuit connector |
| US3193607A (en) * | 1961-03-07 | 1965-07-06 | Chicago Musical Instr Co | Key switch assembly |
| US3432635A (en) * | 1965-02-04 | 1969-03-11 | Paolo Settimio Soprani | Switches and mechanism for forming chords in electronic musical instruments |
| US3494550A (en) * | 1967-01-13 | 1970-02-10 | Ibm | Universal keyboard |
-
1970
- 1970-08-10 FR FR7029447A patent/FR2102579A5/fr not_active Expired
-
1971
- 1971-08-02 US US00168290A patent/US3745269A/en not_active Expired - Lifetime
- 1971-08-03 CA CA119,703A patent/CA941423A/en not_active Expired
- 1971-08-06 CH CH1160371A patent/CH546474A/en not_active IP Right Cessation
- 1971-08-07 ES ES394606A patent/ES394606A1/en not_active Expired
- 1971-08-09 AU AU32144/71A patent/AU3214471A/en not_active Expired
- 1971-08-09 DE DE19712139812 patent/DE2139812A1/en active Pending
- 1971-08-10 GB GB3753671A patent/GB1329209A/en not_active Expired
- 1971-08-10 NL NL7111019A patent/NL7111019A/xx unknown
- 1971-08-10 SE SE10197/71A patent/SE361757B/xx unknown
- 1971-08-10 BR BR5114/71A patent/BR7105114D0/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2102579A5 (en) | 1972-04-07 |
| US3745269A (en) | 1973-07-10 |
| AU3214471A (en) | 1973-02-15 |
| DE2139812A1 (en) | 1972-03-30 |
| NL7111019A (en) | 1972-02-14 |
| ES394606A1 (en) | 1973-11-16 |
| BR7105114D0 (en) | 1973-04-12 |
| CH546474A (en) | 1974-02-28 |
| CA941423A (en) | 1974-02-05 |
| SE361757B (en) | 1973-11-12 |
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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 |