FR450767A - Reproductive system and sound transmitter - Google Patents

Reproductive system and sound transmitter

Info

Publication number
FR450767A
FR450767A FR450767A FR450767DA FR450767A FR 450767 A FR450767 A FR 450767A FR 450767 A FR450767 A FR 450767A FR 450767D A FR450767D A FR 450767DA FR 450767 A FR450767 A FR 450767A
Authority
FR
France
Prior art keywords
reproductive system
sound transmitter
transmitter
sound
reproductive
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
FR450767A
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.)
AUTOMATIC ENUNCIATOR Co
Original Assignee
AUTOMATIC ENUNCIATOR Co
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 AUTOMATIC ENUNCIATOR Co filed Critical AUTOMATIC ENUNCIATOR Co
Application granted granted Critical
Publication of FR450767A publication Critical patent/FR450767A/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
    • H04R21/00—Variable-resistance transducers
    • H04R21/04—Gramophone pick-ups using a stylus; Recorders using a stylus
FR450767A 1912-11-21 1912-11-19 Reproductive system and sound transmitter Expired FR450767A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191226781T 1912-11-21

Publications (1)

Publication Number Publication Date
FR450767A true FR450767A (en) 1913-04-03

Family

ID=32575175

Family Applications (1)

Application Number Title Priority Date Filing Date
FR450767A Expired FR450767A (en) 1912-11-21 1912-11-19 Reproductive system and sound transmitter

Country Status (2)

Country Link
FR (1) FR450767A (en)
GB (1) GB191226781A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107407340B (en) 2016-01-08 2021-02-02 Ccty美国轴承有限公司 Universal joint with central element

Also Published As

Publication number Publication date
GB191226781A (en) 1914-02-23

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