FR17747E - Method and apparatus for receiving vocal sound waves and applications - Google Patents

Method and apparatus for receiving vocal sound waves and applications

Info

Publication number
FR17747E
FR17747E FR17747A FR17747DA FR17747E FR 17747 E FR17747 E FR 17747E FR 17747 A FR17747 A FR 17747A FR 17747D A FR17747D A FR 17747DA FR 17747 E FR17747 E FR 17747E
Authority
FR
France
Prior art keywords
applications
sound waves
vocal sound
receiving vocal
receiving
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
FR17747A
Other languages
French (fr)
Inventor
Jules-Frederic Glover
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.)
JULES-FREDERIC GLOVER
Original Assignee
JULES-FREDERIC GLOVER
Publication date
Application granted granted Critical
Publication of FR17747E publication Critical patent/FR17747E/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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/04—Supports for telephone transmitters or receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
FR17747A Method and apparatus for receiving vocal sound waves and applications Expired FR17747E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR18193T

Publications (1)

Publication Number Publication Date
FR17747E true FR17747E (en) 1913-11-13

Family

ID=8659415

Family Applications (5)

Application Number Title Priority Date Filing Date
FR19271A Expired FR19271E (en) Method and apparatus for the reception of vocal sound waves and their applications
FR16517A Expired FR16517E (en) Method and apparatus for receiving vocal sound waves and applications
FR17747A Expired FR17747E (en) Method and apparatus for receiving vocal sound waves and applications
FR18193A Expired FR18193E (en) Method and apparatus for receiving vocal sound waves and applications
FR448420A Expired FR448420A (en) 1911-11-25 Method and apparatus for receiving vocal sound waves and applications

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR19271A Expired FR19271E (en) Method and apparatus for the reception of vocal sound waves and their applications
FR16517A Expired FR16517E (en) Method and apparatus for receiving vocal sound waves and applications

Family Applications After (2)

Application Number Title Priority Date Filing Date
FR18193A Expired FR18193E (en) Method and apparatus for receiving vocal sound waves and applications
FR448420A Expired FR448420A (en) 1911-11-25 Method and apparatus for receiving vocal sound waves and applications

Country Status (2)

Country Link
DE (1) DE259917C (en)
FR (5) FR448420A (en)

Also Published As

Publication number Publication date
FR18193E (en) 1914-02-21
FR448420A (en) 1913-01-30
DE259917C (en)
FR19271E (en) 1914-12-23
FR16517E (en) 1913-02-21

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