FR434193A - échelle de sauvetage munie de plates-formes avec rampes coulissantes, destinée au sauvetage dans les incendies - Google Patents

échelle de sauvetage munie de plates-formes avec rampes coulissantes, destinée au sauvetage dans les incendies

Info

Publication number
FR434193A
FR434193A FR434193DA FR434193A FR 434193 A FR434193 A FR 434193A FR 434193D A FR434193D A FR 434193DA FR 434193 A FR434193 A FR 434193A
Authority
FR
France
Prior art keywords
rescue
fires
platforms
intended
ladder
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
English (en)
Inventor
Franz Scherrer
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR434193A publication Critical patent/FR434193A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1058—Manufacture or assembly
    • H04R1/1066—Constructional aspects of the interconnection between earpiece and earpiece support
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
    • E06C9/06—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted
    • E06C9/08—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted with rigid longitudinal members
    • E06C9/10—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted with rigid longitudinal members forming part of a building, such as a balcony grid, window grid, or other window part
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/033—Headphones for stereophonic communication
    • H04R5/0335—Earpiece support, e.g. headbands or neckrests

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Telephone Set Structure (AREA)
FR434193D 1924-04-17 1911-07-22 échelle de sauvetage munie de plates-formes avec rampes coulissantes, destinée au sauvetage dans les incendies Expired FR434193A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB985224A GB237017A (en) 1924-04-17 1924-04-17 Improvements in head-attachment-gear for telephone-receivers

Publications (1)

Publication Number Publication Date
FR434193A true FR434193A (fr) 1912-01-26

Family

ID=9879996

Family Applications (1)

Application Number Title Priority Date Filing Date
FR434193D Expired FR434193A (fr) 1924-04-17 1911-07-22 échelle de sauvetage munie de plates-formes avec rampes coulissantes, destinée au sauvetage dans les incendies

Country Status (2)

Country Link
FR (1) FR434193A (fr)
GB (2) GB237017A (fr)

Also Published As

Publication number Publication date
GB237017A (en) 1925-07-17
GB258011A (en) 1926-09-13

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