GB1487465A - Telephone sets - Google Patents

Telephone sets

Info

Publication number
GB1487465A
GB1487465A GB29735/75A GB2973575A GB1487465A GB 1487465 A GB1487465 A GB 1487465A GB 29735/75 A GB29735/75 A GB 29735/75A GB 2973575 A GB2973575 A GB 2973575A GB 1487465 A GB1487465 A GB 1487465A
Authority
GB
United Kingdom
Prior art keywords
housing
handset
telephone sets
ringer
horn
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
GB29735/75A
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 AG
Original Assignee
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 DE19742440511 external-priority patent/DE2440511C3/en
Application filed by Siemens AG filed Critical Siemens AG
Publication of GB1487465A publication Critical patent/GB1487465A/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

Abstract

1487465 Telephone sets; acoustic horns SIEMENS AG 16 July 1975 [23 Aug 1974] 29735/75 Headings H4J and H4X The handset 9 and housing 10 of a telephone set are so shaped that with the handset positioned on the housing, an acoustic horn 15 is formed between the handset and housing, the horn enhancing the sound output of an electroacoustical ringer 11 mounted in the housing. The ringer may be a piezoelectric plate.
GB29735/75A 1974-08-23 1975-07-16 Telephone sets Expired GB1487465A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742440511 DE2440511C3 (en) 1974-08-23 Remote speaking station

Publications (1)

Publication Number Publication Date
GB1487465A true GB1487465A (en) 1977-09-28

Family

ID=5923950

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29735/75A Expired GB1487465A (en) 1974-08-23 1975-07-16 Telephone sets

Country Status (13)

Country Link
JP (1) JPS5126401A (en)
AR (1) AR203520A1 (en)
AT (1) AT341008B (en)
AU (1) AU500043B2 (en)
BE (1) BE832673A (en)
BR (1) BR7505312A (en)
CH (1) CH596720A5 (en)
FR (1) FR2282761A1 (en)
GB (1) GB1487465A (en)
IT (1) IT1041872B (en)
NL (1) NL7507209A (en)
SE (1) SE7509392L (en)
ZA (1) ZA754822B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5333308U (en) * 1976-08-30 1978-03-23
JPS53105106A (en) * 1977-02-24 1978-09-13 San Terehon Kk Buzzer circuit
JPS57155845A (en) * 1981-03-20 1982-09-27 Nippon Telegr & Teleph Corp <Ntt> Dial confirming tone information system for radio telephone set
JPS5813767U (en) * 1981-07-19 1983-01-28 サニ−電子株式会社 intercom
JPS5835126A (en) * 1981-08-27 1983-03-01 Sumitomo Chem Co Ltd Preparation of isobutylene
JPS58173954U (en) * 1982-05-17 1983-11-21 ティーオーエー株式会社 Confidential loudspeaker phone
JPS60155246U (en) * 1984-03-26 1985-10-16 三洋電機株式会社 Telephone handset device
JPS6224749A (en) * 1985-07-25 1987-02-02 Fujitsu Ltd Sounder structure of communication equipment

Also Published As

Publication number Publication date
JPS5126401A (en) 1976-03-04
SE7509392L (en) 1976-02-24
FR2282761A1 (en) 1976-03-19
AU8354775A (en) 1977-02-03
DE2440511A1 (en) 1976-03-04
AT341008B (en) 1978-01-10
BR7505312A (en) 1976-08-03
CH596720A5 (en) 1978-03-15
NL7507209A (en) 1976-02-25
AR203520A1 (en) 1975-09-15
AU500043B2 (en) 1979-05-10
FR2282761B1 (en) 1980-08-29
ATA490675A (en) 1977-05-15
BE832673A (en) 1976-02-23
ZA754822B (en) 1976-07-28
DE2440511B2 (en) 1976-08-26
IT1041872B (en) 1980-01-10

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee