GB1227639A - - Google Patents
Info
- Publication number
- GB1227639A GB1227639A GB1227639DA GB1227639A GB 1227639 A GB1227639 A GB 1227639A GB 1227639D A GB1227639D A GB 1227639DA GB 1227639 A GB1227639 A GB 1227639A
- Authority
- GB
- United Kingdom
- Prior art keywords
- channel
- bolt
- spring
- rods
- button
- 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
- H01H13/72—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 wherein the switch has means for limiting the number of operating members that can concurrently be in the actuated position
- H01H13/74—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 wherein the switch has means for limiting the number of operating members that can concurrently be in the actuated position each contact set returning to its original state only upon actuation of another of the operating members
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
- G05G5/06—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for holding members in one or a limited number of definite positions only
- G05G5/08—Interlocking of members, e.g. locking member in a particular position before or during the movement of another member
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/26—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection operated by hand
- H03J5/32—Stationary tuning circuits or elements selected by push-button
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Push-Button Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6814204A NL6814204A (es) | 1968-10-04 | 1968-10-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1227639A true GB1227639A (es) | 1971-04-07 |
Family
ID=19804845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1227639D Expired GB1227639A (es) | 1968-10-04 | 1969-10-03 |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE1950036B2 (es) |
FR (1) | FR2019946A1 (es) |
GB (1) | GB1227639A (es) |
NL (1) | NL6814204A (es) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3015292C2 (de) * | 1980-04-21 | 1985-10-17 | Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt | Drucktastenaggregat |
-
1968
- 1968-10-04 NL NL6814204A patent/NL6814204A/xx unknown
-
1969
- 1969-10-03 DE DE19691950036 patent/DE1950036B2/de not_active Ceased
- 1969-10-03 FR FR6933914A patent/FR2019946A1/fr not_active Withdrawn
- 1969-10-03 GB GB1227639D patent/GB1227639A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL6814204A (es) | 1970-04-07 |
DE1950036A1 (de) | 1970-04-09 |
FR2019946A1 (es) | 1970-07-10 |
DE1950036B2 (de) | 1977-01-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |