ES220552Y - Dispositivo silenciador aplicable a telefonos. - Google Patents

Dispositivo silenciador aplicable a telefonos.

Info

Publication number
ES220552Y
ES220552Y ES1976220552U ES220552U ES220552Y ES 220552 Y ES220552 Y ES 220552Y ES 1976220552 U ES1976220552 U ES 1976220552U ES 220552 U ES220552 U ES 220552U ES 220552 Y ES220552 Y ES 220552Y
Authority
ES
Spain
Prior art keywords
telephones
device applicable
silencing device
silencing
applicable
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
ES1976220552U
Other languages
English (en)
Spanish (es)
Other versions
ES220552U (es
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
Priority to ES1976220552U priority Critical patent/ES220552Y/es
Publication of ES220552U publication Critical patent/ES220552U/es
Application granted granted Critical
Publication of ES220552Y publication Critical patent/ES220552Y/es
Priority to FR7712617A priority patent/FR2350015A1/fr
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
    • H04M1/19—Arrangements of transmitters, receivers, or complete sets to prevent eavesdropping, to attenuate local noise or to prevent undesired transmission; Mouthpieces or receivers specially adapted therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
ES1976220552U 1976-04-27 1976-04-27 Dispositivo silenciador aplicable a telefonos. Expired ES220552Y (es)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES1976220552U ES220552Y (es) 1976-04-27 1976-04-27 Dispositivo silenciador aplicable a telefonos.
FR7712617A FR2350015A1 (fr) 1976-04-27 1977-04-26 Silencieux pour telephones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES1976220552U ES220552Y (es) 1976-04-27 1976-04-27 Dispositivo silenciador aplicable a telefonos.

Publications (2)

Publication Number Publication Date
ES220552U ES220552U (es) 1976-10-01
ES220552Y true ES220552Y (es) 1977-02-16

Family

ID=8383316

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1976220552U Expired ES220552Y (es) 1976-04-27 1976-04-27 Dispositivo silenciador aplicable a telefonos.

Country Status (2)

Country Link
ES (1) ES220552Y (fr)
FR (1) FR2350015A1 (fr)

Also Published As

Publication number Publication date
FR2350015A1 (fr) 1977-11-25
ES220552U (es) 1976-10-01

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