GB2139398B - Signal transmitting and/or receiving apparatus - Google Patents

Signal transmitting and/or receiving apparatus

Info

Publication number
GB2139398B
GB2139398B GB08403071A GB8403071A GB2139398B GB 2139398 B GB2139398 B GB 2139398B GB 08403071 A GB08403071 A GB 08403071A GB 8403071 A GB8403071 A GB 8403071A GB 2139398 B GB2139398 B GB 2139398B
Authority
GB
United Kingdom
Prior art keywords
receiving apparatus
signal transmitting
transmitting
signal
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
GB08403071A
Other versions
GB8403071D0 (en
GB2139398A (en
Inventor
Elliott Maxwell Goodkin
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.)
ELLMAX ELECTRONICS Ltd
Original Assignee
ELLMAX ELECTRONICS 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
Priority claimed from GB838312596A external-priority patent/GB8312596D0/en
Application filed by ELLMAX ELECTRONICS Ltd filed Critical ELLMAX ELECTRONICS Ltd
Priority to GB08403071A priority Critical patent/GB2139398B/en
Publication of GB8403071D0 publication Critical patent/GB8403071D0/en
Publication of GB2139398A publication Critical patent/GB2139398A/en
Application granted granted Critical
Publication of GB2139398B publication Critical patent/GB2139398B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
    • G09B23/22—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for optics

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Optimization (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Algebra (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Optics & Photonics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Communication System (AREA)
GB08403071A 1983-05-06 1984-02-06 Signal transmitting and/or receiving apparatus Expired GB2139398B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08403071A GB2139398B (en) 1983-05-06 1984-02-06 Signal transmitting and/or receiving apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838312596A GB8312596D0 (en) 1983-05-06 1983-05-06 Signal transmitting/receiving apparatus
GB08403071A GB2139398B (en) 1983-05-06 1984-02-06 Signal transmitting and/or receiving apparatus

Publications (3)

Publication Number Publication Date
GB8403071D0 GB8403071D0 (en) 1984-03-07
GB2139398A GB2139398A (en) 1984-11-07
GB2139398B true GB2139398B (en) 1986-08-28

Family

ID=26286056

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08403071A Expired GB2139398B (en) 1983-05-06 1984-02-06 Signal transmitting and/or receiving apparatus

Country Status (1)

Country Link
GB (1) GB2139398B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2356533A (en) * 1999-11-17 2001-05-23 Christopher Barnes A Morse key adaptor/device
WO2011104721A1 (en) * 2010-02-23 2011-09-01 Hitesh Mehta Device, system and method for fiber optic training kit

Also Published As

Publication number Publication date
GB8403071D0 (en) 1984-03-07
GB2139398A (en) 1984-11-07

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 19930107

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000206