FR355818A - Concave glass mirror for spotlights, headlights, etc. - Google Patents

Concave glass mirror for spotlights, headlights, etc.

Info

Publication number
FR355818A
FR355818A FR355818DA FR355818A FR 355818 A FR355818 A FR 355818A FR 355818D A FR355818D A FR 355818DA FR 355818 A FR355818 A FR 355818A
Authority
FR
France
Prior art keywords
spotlights
headlights
glass mirror
concave glass
concave
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
Other languages
French (fr)
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.)
ZEISS CARL SOC
Original Assignee
ZEISS CARL SOC
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 ZEISS CARL SOC filed Critical ZEISS CARL SOC
Application granted granted Critical
Publication of FR355818A publication Critical patent/FR355818A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/22—Switches without multi-position wipers
    • H01H67/30—Co-ordinate-type selector switches with field of co-ordinate coil acting directly upon magnetic leaf spring or reed-type contact member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
FR355818D 1905-05-25 1905-07-03 Concave glass mirror for spotlights, headlights, etc. Expired FR355818A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE355818X 1905-05-25

Publications (1)

Publication Number Publication Date
FR355818A true FR355818A (en) 1905-11-13

Family

ID=6290114

Family Applications (1)

Application Number Title Priority Date Filing Date
FR355818D Expired FR355818A (en) 1905-05-25 1905-07-03 Concave glass mirror for spotlights, headlights, etc.

Country Status (2)

Country Link
CH (1) CH355818A (en)
FR (1) FR355818A (en)

Also Published As

Publication number Publication date
CH355818A (en) 1961-07-31

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