FR592694A - Holder for small telephones, acoustic horns, acoustic pipes and similar devices - Google Patents

Holder for small telephones, acoustic horns, acoustic pipes and similar devices

Info

Publication number
FR592694A
FR592694A FR592694DA FR592694A FR 592694 A FR592694 A FR 592694A FR 592694D A FR592694D A FR 592694DA FR 592694 A FR592694 A FR 592694A
Authority
FR
France
Prior art keywords
acoustic
holder
similar devices
pipes
horns
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens 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
Priority claimed from DES64704D external-priority patent/DE420764C/en
Application filed by Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR592694A publication Critical patent/FR592694A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
FR592694D 1924-01-07 1925-01-05 Holder for small telephones, acoustic horns, acoustic pipes and similar devices Expired FR592694A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DES64704D DE420764C (en) 1924-01-07 1924-01-07 Holder for small telephones, hearing tubes or the like.
DES66996D DE425623C (en) 1924-01-07 1924-09-03 Holder for small telephones, hearing tubes or the like.

Publications (1)

Publication Number Publication Date
FR592694A true FR592694A (en) 1925-08-06

Family

ID=25995832

Family Applications (1)

Application Number Title Priority Date Filing Date
FR592694D Expired FR592694A (en) 1924-01-07 1925-01-05 Holder for small telephones, acoustic horns, acoustic pipes and similar devices

Country Status (3)

Country Link
AT (1) AT103839B (en)
DE (1) DE425623C (en)
FR (1) FR592694A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4932052A (en) * 1989-06-26 1990-06-05 Jack Lo Self-adjusting headset-handset combination

Also Published As

Publication number Publication date
AT103839B (en) 1926-07-26
DE425623C (en) 1926-02-23

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