GB2178531B - Improvements in light sensitive electronic switches - Google Patents

Improvements in light sensitive electronic switches

Info

Publication number
GB2178531B
GB2178531B GB8616326A GB8616326A GB2178531B GB 2178531 B GB2178531 B GB 2178531B GB 8616326 A GB8616326 A GB 8616326A GB 8616326 A GB8616326 A GB 8616326A GB 2178531 B GB2178531 B GB 2178531B
Authority
GB
United Kingdom
Prior art keywords
light sensitive
electronic switches
sensitive electronic
switches
light
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
GB8616326A
Other versions
GB8616326D0 (en
GB2178531A (en
Inventor
Eric Harold Ford
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.)
Lumenition Ltd
Original Assignee
Lumenition 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 Lumenition Ltd filed Critical Lumenition Ltd
Publication of GB8616326D0 publication Critical patent/GB8616326D0/en
Publication of GB2178531A publication Critical patent/GB2178531A/en
Application granted granted Critical
Publication of GB2178531B publication Critical patent/GB2178531B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P7/00—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices
    • F02P7/06—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices of circuit-makers or -breakers, or pick-up devices adapted to sense particular points of the timing cycle
    • F02P7/073—Optical pick-up devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Semiconductor Lasers (AREA)
  • Lasers (AREA)
GB8616326A 1985-07-05 1986-07-04 Improvements in light sensitive electronic switches Expired GB2178531B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858517154A GB8517154D0 (en) 1985-07-05 1985-07-05 Light sensitive electronic switches

Publications (3)

Publication Number Publication Date
GB8616326D0 GB8616326D0 (en) 1986-08-13
GB2178531A GB2178531A (en) 1987-02-11
GB2178531B true GB2178531B (en) 1989-07-12

Family

ID=10581902

Family Applications (2)

Application Number Title Priority Date Filing Date
GB858517154A Pending GB8517154D0 (en) 1985-07-05 1985-07-05 Light sensitive electronic switches
GB8616326A Expired GB2178531B (en) 1985-07-05 1986-07-04 Improvements in light sensitive electronic switches

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB858517154A Pending GB8517154D0 (en) 1985-07-05 1985-07-05 Light sensitive electronic switches

Country Status (1)

Country Link
GB (2) GB8517154D0 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1057934A (en) * 1963-03-19 1967-02-08 Exxon Research Engineering Co Measurement of fluid flow rate
US3493959A (en) * 1966-06-23 1970-02-03 Sperry Rand Corp Interferometric shaft angle encoder having natural binary readout
GB1330453A (en) * 1971-01-08 1973-09-19 Lumenition Ltd Solid state ignition systems
GB1497346A (en) * 1975-02-12 1978-01-05 Lumenition Ltd Opto-electronic ignition systems for internal combustion engines
GB1526584A (en) * 1977-04-01 1978-09-27 Lumenition Ltd Optoelectronic ignition systems for internal combustion engines

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1057934A (en) * 1963-03-19 1967-02-08 Exxon Research Engineering Co Measurement of fluid flow rate
US3493959A (en) * 1966-06-23 1970-02-03 Sperry Rand Corp Interferometric shaft angle encoder having natural binary readout
GB1330453A (en) * 1971-01-08 1973-09-19 Lumenition Ltd Solid state ignition systems
GB1497346A (en) * 1975-02-12 1978-01-05 Lumenition Ltd Opto-electronic ignition systems for internal combustion engines
GB1526584A (en) * 1977-04-01 1978-09-27 Lumenition Ltd Optoelectronic ignition systems for internal combustion engines

Also Published As

Publication number Publication date
GB8517154D0 (en) 1985-08-14
GB8616326D0 (en) 1986-08-13
GB2178531A (en) 1987-02-11

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980704