NL4112C - - Google Patents
Info
- Publication number
- NL4112C
NL4112C
NL4112DA
NL4112C
NL 4112 C
NL4112 C
NL 4112C
NL 4112D A
NL4112D A
NL 4112DA
NL 4112 C
NL4112 C
NL 4112C
- Authority
- NL
- Netherlands
Application number
Publication of NL4112C
publication
Critical
patent/NL4112C/xx
Links
Classifications
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H—ELECTRICITY
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H04—ELECTRIC COMMUNICATION TECHNIQUE
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H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
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H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
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H04R23/002—Transducers other than those covered by groups H04R9/00 - H04R21/00 using electrothermic-effect transducer
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H—ELECTRICITY
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H04—ELECTRIC COMMUNICATION TECHNIQUE
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H04M—TELEPHONIC COMMUNICATION
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H04M1/00—Substation equipment, e.g. for use by subscribers
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H04M1/02—Constructional features of telephone sets
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H04M1/04—Supports for telephone transmitters or receivers
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H04M1/06—Hooks; Cradles
Landscapes
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Engineering & Computer Science
(AREA)
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Signal Processing
(AREA)
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Physics & Mathematics
(AREA)
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Acoustics & Sound
(AREA)
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Telephone Set Structure
(AREA)
Applications Claiming Priority (1)
| Application Number |
Priority Date |
Filing Date |
Title |
|
DE301033T
|
|
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Publications (1)
| Publication Number |
Publication Date |
|
NL4112C
true
NL4112C
(2)
|
|
Family
ID=6097533
Family Applications (1)
| Application Number |
Title |
Priority Date |
Filing Date |
|
NL4112D
NL4112C
(2)
|
|
|
|
Country Status (3)