GB8903268D0 - Communication apparatus - Google Patents

Communication apparatus

Info

Publication number
GB8903268D0
GB8903268D0 GB898903268A GB8903268A GB8903268D0 GB 8903268 D0 GB8903268 D0 GB 8903268D0 GB 898903268 A GB898903268 A GB 898903268A GB 8903268 A GB8903268 A GB 8903268A GB 8903268 D0 GB8903268 D0 GB 8903268D0
Authority
GB
United Kingdom
Prior art keywords
communication apparatus
communication
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.)
Pending
Application number
GB898903268A
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.)
CTS TRADING CO Ltd
Original Assignee
CTS TRADING CO Ltd
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 CTS TRADING CO Ltd filed Critical CTS TRADING CO Ltd
Priority to GB898903268A priority Critical patent/GB8903268D0/en
Publication of GB8903268D0 publication Critical patent/GB8903268D0/en
Priority to GB9003361A priority patent/GB2228649A/en
Pending legal-status Critical Current

Links

GB898903268A 1989-02-14 1989-02-14 Communication apparatus Pending GB8903268D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB898903268A GB8903268D0 (en) 1989-02-14 1989-02-14 Communication apparatus
GB9003361A GB2228649A (en) 1989-02-14 1990-02-14 Telephone apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898903268A GB8903268D0 (en) 1989-02-14 1989-02-14 Communication apparatus

Publications (1)

Publication Number Publication Date
GB8903268D0 true GB8903268D0 (en) 1989-04-05

Family

ID=10651642

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898903268A Pending GB8903268D0 (en) 1989-02-14 1989-02-14 Communication apparatus
GB9003361A Withdrawn GB2228649A (en) 1989-02-14 1990-02-14 Telephone apparatus

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9003361A Withdrawn GB2228649A (en) 1989-02-14 1990-02-14 Telephone apparatus

Country Status (1)

Country Link
GB (2) GB8903268D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9103786D0 (en) * 1991-02-22 1991-04-10 Energy Saving Services Energy saving unit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7809628A (en) * 1978-09-21 1980-03-25 Nederlanden Staat SWITCH FOR MULTIPLE CONNECTED PHONES.
US4332983A (en) * 1980-10-27 1982-06-01 Hosein Vakili Telephone privacy controller
US4443665A (en) * 1982-09-30 1984-04-17 Alderman Robert J Privacy and hold circuit for telephone
US4726048A (en) * 1984-04-03 1988-02-16 Waldman Herbert H Telephone privacy circuit
ES282513Y (en) * 1984-11-12 1986-10-01 Amper, S.A. EXCLUSIVE DEVICE FOR PARALLEL-INSTALLED PHONES
US4703499A (en) * 1986-02-21 1987-10-27 Arturo Fossas Distributed privacy oriented telephone extension system
US4747128A (en) * 1986-05-22 1988-05-24 Chan Kwok Leung Telephone privacy protector

Also Published As

Publication number Publication date
GB9003361D0 (en) 1990-04-11
GB2228649A (en) 1990-08-29

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