GB2215486B - Improved spotlight and control system therefor - Google Patents

Improved spotlight and control system therefor

Info

Publication number
GB2215486B
GB2215486B GB8809216A GB8809216A GB2215486B GB 2215486 B GB2215486 B GB 2215486B GB 8809216 A GB8809216 A GB 8809216A GB 8809216 A GB8809216 A GB 8809216A GB 2215486 B GB2215486 B GB 2215486B
Authority
GB
United Kingdom
Prior art keywords
control system
system therefor
improved spotlight
spotlight
improved
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 - Lifetime
Application number
GB8809216A
Other versions
GB8809216D0 (en
GB2215486A (en
Inventor
Paul Francis Mardon
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.)
Pulsar Light of Cambridge Ltd
Original Assignee
Pulsar Light of Cambridge 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 Pulsar Light of Cambridge Ltd filed Critical Pulsar Light of Cambridge Ltd
Publication of GB8809216D0 publication Critical patent/GB8809216D0/en
Priority to EP88311442A priority Critical patent/EP0332783B1/en
Priority to DE8888311442T priority patent/DE3871777T2/en
Priority to AT88311442T priority patent/ATE77031T1/en
Priority to ES198888311442T priority patent/ES2034266T3/en
Priority to US07/290,363 priority patent/US4899267A/en
Publication of GB2215486A publication Critical patent/GB2215486A/en
Application granted granted Critical
Publication of GB2215486B publication Critical patent/GB2215486B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/155—Coordinated control of two or more light sources
GB8809216A 1988-03-09 1988-04-19 Improved spotlight and control system therefor Expired - Lifetime GB2215486B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP88311442A EP0332783B1 (en) 1988-03-09 1988-12-02 Improved spotlight and control system therefor
DE8888311442T DE3871777T2 (en) 1988-03-09 1988-12-02 MONITORING SYSTEM FOR A HEADLIGHT.
AT88311442T ATE77031T1 (en) 1988-03-09 1988-12-02 MONITORING SYSTEM FOR A HEADLIGHT.
ES198888311442T ES2034266T3 (en) 1988-03-09 1988-12-02 IMPROVED LIGHT PROJECTOR AND CONTROL SYSTEM OF THE SAME.
US07/290,363 US4899267A (en) 1988-03-09 1988-12-29 Spotlight and control system therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888805581A GB8805581D0 (en) 1988-03-09 1988-03-09 Improved spotlight & control system therefor

Publications (3)

Publication Number Publication Date
GB8809216D0 GB8809216D0 (en) 1988-05-25
GB2215486A GB2215486A (en) 1989-09-20
GB2215486B true GB2215486B (en) 1992-05-06

Family

ID=10633109

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888805581A Pending GB8805581D0 (en) 1988-03-09 1988-03-09 Improved spotlight & control system therefor
GB8809216A Expired - Lifetime GB2215486B (en) 1988-03-09 1988-04-19 Improved spotlight and control system therefor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888805581A Pending GB8805581D0 (en) 1988-03-09 1988-03-09 Improved spotlight & control system therefor

Country Status (1)

Country Link
GB (2) GB8805581D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19840475A1 (en) * 1998-09-04 2000-03-30 Armin Hopp Lighting equipment

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4527198A (en) * 1982-11-19 1985-07-02 Michael Callahan Followspot parameter feedback

Also Published As

Publication number Publication date
GB8809216D0 (en) 1988-05-25
GB2215486A (en) 1989-09-20
GB8805581D0 (en) 1988-04-07

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Legal Events

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

Effective date: 20010419