DE1909929A1 - Ball lock for a large number of parallel rows of push button switches - Google Patents

Ball lock for a large number of parallel rows of push button switches

Info

Publication number
DE1909929A1
DE1909929A1 DE19691909929 DE1909929A DE1909929A1 DE 1909929 A1 DE1909929 A1 DE 1909929A1 DE 19691909929 DE19691909929 DE 19691909929 DE 1909929 A DE1909929 A DE 1909929A DE 1909929 A1 DE1909929 A1 DE 1909929A1
Authority
DE
Germany
Prior art keywords
large number
push button
parallel rows
button switches
ball lock
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.)
Pending
Application number
DE19691909929
Other languages
German (de)
Inventor
Ernst Huber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HE Schweitzer AG
Original Assignee
HE Schweitzer AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HE Schweitzer AG filed Critical HE Schweitzer AG
Publication of DE1909929A1 publication Critical patent/DE1909929A1/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
DE19691909929 1968-04-18 1969-02-27 Ball lock for a large number of parallel rows of push button switches Pending DE1909929A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH578368A CH464632A (en) 1968-04-18 1968-04-18 Ball lock for a large number of parallel rows of pushbutton switches

Publications (1)

Publication Number Publication Date
DE1909929A1 true DE1909929A1 (en) 1969-11-06

Family

ID=4299255

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19691909929 Pending DE1909929A1 (en) 1968-04-18 1969-02-27 Ball lock for a large number of parallel rows of push button switches

Country Status (3)

Country Link
CH (1) CH464632A (en)
DE (1) DE1909929A1 (en)
FR (1) FR2006402A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2801074A1 (en) * 1977-01-12 1978-07-13 Schweitzer Ag H E GUIDE TUBE FOR MULTIPLE SWITCHES
DE3836527A1 (en) * 1988-10-27 1990-05-03 Franzen Soehne S Pushbutton lock

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2801074A1 (en) * 1977-01-12 1978-07-13 Schweitzer Ag H E GUIDE TUBE FOR MULTIPLE SWITCHES
DE3836527A1 (en) * 1988-10-27 1990-05-03 Franzen Soehne S Pushbutton lock

Also Published As

Publication number Publication date
FR2006402A1 (en) 1969-12-26
CH464632A (en) 1968-10-31

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Legal Events

Date Code Title Description
OHB Non-payment of the publication fee (examined application)