FR1052695A - Improvements to telephone sets - Google Patents

Improvements to telephone sets

Info

Publication number
FR1052695A
FR1052695A FR1052695DA FR1052695A FR 1052695 A FR1052695 A FR 1052695A FR 1052695D A FR1052695D A FR 1052695DA FR 1052695 A FR1052695 A FR 1052695A
Authority
FR
France
Prior art keywords
telephone sets
telephone
sets
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)
Inventor
Bela Ranky
Marcel Larchez
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 filed Critical
Application granted granted Critical
Publication of FR1052695A publication Critical patent/FR1052695A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/02—Switches operated by change of position, inclination or orientation of the switch itself in relation to gravitational field
    • H01H35/027—Switches operated by change of position, inclination or orientation of the switch itself in relation to gravitational field the inertia mass activating the switch mechanically, e.g. through a lever

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR1052695D 1952-03-21 1952-03-21 Improvements to telephone sets Expired FR1052695A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1052695T 1952-03-21

Publications (1)

Publication Number Publication Date
FR1052695A true FR1052695A (en) 1954-01-26

Family

ID=9595461

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1052695D Expired FR1052695A (en) 1952-03-21 1952-03-21 Improvements to telephone sets

Country Status (1)

Country Link
FR (1) FR1052695A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027999A1 (en) * 1979-10-26 1981-05-06 Siemens Aktiengesellschaft Telephon-handset for a radio apparatus for mobile use
FR2556538A1 (en) * 1983-12-12 1985-06-14 Lehir Jean Pierre Handset of telephone set
NL1037787C2 (en) * 2010-03-09 2011-09-13 Rolf Peter Dijkgraaf METHOD FOR REALIZING A SAVINGS ON ENERGY CONSUMPTION OF HEARING DEVICES AND A HEARING DEVICE IN WHICH THIS METHOD IS APPLIED

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027999A1 (en) * 1979-10-26 1981-05-06 Siemens Aktiengesellschaft Telephon-handset for a radio apparatus for mobile use
FR2556538A1 (en) * 1983-12-12 1985-06-14 Lehir Jean Pierre Handset of telephone set
NL1037787C2 (en) * 2010-03-09 2011-09-13 Rolf Peter Dijkgraaf METHOD FOR REALIZING A SAVINGS ON ENERGY CONSUMPTION OF HEARING DEVICES AND A HEARING DEVICE IN WHICH THIS METHOD IS APPLIED

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