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FR836773A - Improvements in call dial devices for automatic telephony - Google Patents

Improvements in call dial devices for automatic telephony

Info

Publication number
FR836773A
FR836773A FR836773DA FR836773A FR 836773 A FR836773 A FR 836773A FR 836773D A FR836773D A FR 836773DA FR 836773 A FR836773 A FR 836773A
Authority
FR
France
Prior art keywords
call dial
automatic telephony
dial devices
devices
telephony
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
Lucien Bollack
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 FR836773A publication Critical patent/FR836773A/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
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR836773D 1937-10-07 1937-10-07 Improvements in call dial devices for automatic telephony Expired FR836773A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR836773T 1937-10-07

Publications (1)

Publication Number Publication Date
FR836773A true FR836773A (en) 1939-01-25

Family

ID=9298260

Family Applications (1)

Application Number Title Priority Date Filing Date
FR836773D Expired FR836773A (en) 1937-10-07 1937-10-07 Improvements in call dial devices for automatic telephony

Country Status (1)

Country Link
FR (1) FR836773A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5113435A (en) * 1989-12-11 1992-05-12 Zeny Corporation Structure of telephone keyboard
US9565279B2 (en) 2013-06-18 2017-02-07 Tracer Imaging Llc Mobile terminal case with displaceable bezel

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5113435A (en) * 1989-12-11 1992-05-12 Zeny Corporation Structure of telephone keyboard
US9565279B2 (en) 2013-06-18 2017-02-07 Tracer Imaging Llc Mobile terminal case with displaceable bezel
US9900412B2 (en) 2013-06-18 2018-02-20 Tracer Imaging Llc Mobile terminal case with displaceable bezel

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