FR726541A - Security device for telephone keys - Google Patents

Security device for telephone keys

Info

Publication number
FR726541A
FR726541A FR726541DA FR726541A FR 726541 A FR726541 A FR 726541A FR 726541D A FR726541D A FR 726541DA FR 726541 A FR726541 A FR 726541A
Authority
FR
France
Prior art keywords
security device
telephone keys
keys
telephone
security
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
Application number
Other languages
French (fr)
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.)
Societe des Telephones Ericsson SA
Original Assignee
Societe des Telephones Ericsson SA
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 Societe des Telephones Ericsson SA filed Critical Societe des Telephones Ericsson SA
Application granted granted Critical
Publication of FR726541A publication Critical patent/FR726541A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02Details
    • H01H21/18Movable parts; Contacts mounted thereon
    • H01H21/36Driving mechanisms
    • H01H21/50Driving mechanisms with indexing or latching means, e.g. indexing by ball and spring; with means to ensure stopping at intermediate operative positions
FR726541D 1931-01-22 1931-01-22 Security device for telephone keys Expired FR726541A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR726541T 1931-01-22

Publications (1)

Publication Number Publication Date
FR726541A true FR726541A (en) 1932-05-30

Family

ID=9110758

Family Applications (1)

Application Number Title Priority Date Filing Date
FR726541D Expired FR726541A (en) 1931-01-22 1931-01-22 Security device for telephone keys

Country Status (1)

Country Link
FR (1) FR726541A (en)

Similar Documents

Publication Publication Date Title
FR726541A (en) Security device for telephone keys
FR711544A (en) Advanced device for the penis
FR712102A (en) Safety device for doors
FR41173E (en) Security device for locks
FR720097A (en) Safety device for steps
FR717470A (en) Protection device for telephone devices
FR740557A (en) Protective device for breastplates
FR698202A (en) Locking device for keyholes
FR734534A (en) Device for serving intermediate amplifying telephone exchanges
FR733882A (en) Support device for telephone receivers
FR733357A (en) Drip-absorbing device for containers
FR724889A (en) Door increase device for lock
FR726875A (en) Surge protection device
FR727595A (en) Safety device for lock
FR717580A (en) Safety device for safes
FR729775A (en) Locking device for doors
FR707208A (en) Security device for locks
FR42497E (en) Security device for locks
FR712909A (en) Rosin colorimeter device
FR705129A (en) Gearshift-declutching device for motorcycles
FR714844A (en) Advertising device
FR719602A (en) Anti-theft device for automobiles
CH152934A (en) Device for performing multiplications.
FR735892A (en) Receiving device for prepaid telephones
FR740052A (en) Device for stripping pavements