FR971882A - Jumelles téléphoniques - Google Patents

Jumelles téléphoniques

Info

Publication number
FR971882A
FR971882A FR971882DA FR971882A FR 971882 A FR971882 A FR 971882A FR 971882D A FR971882D A FR 971882DA FR 971882 A FR971882 A FR 971882A
Authority
FR
France
Prior art keywords
binoculars
telephone
telephone binoculars
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
Jean-Baptiste-Joseph Abadie
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 filed Critical
Application granted granted Critical
Publication of FR971882A publication Critical patent/FR971882A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
FR971882D 1939-11-29 1939-11-29 Jumelles téléphoniques Expired FR971882A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR971882T 1939-11-29

Publications (1)

Publication Number Publication Date
FR971882A true FR971882A (fr) 1951-01-23

Family

ID=9515543

Family Applications (1)

Application Number Title Priority Date Filing Date
FR971882D Expired FR971882A (fr) 1939-11-29 1939-11-29 Jumelles téléphoniques

Country Status (1)

Country Link
FR (1) FR971882A (fr)

Similar Documents

Publication Publication Date Title
FR880734A (fr) Casques téléphoniques
CH220361A (de) Telephonapparat.
FR971882A (fr) Jumelles téléphoniques
FR854764A (fr) étui
DK58387C (da) Automatisk Telefonapparat
FR881294A (fr) Câbles de télécommunication
FI19877A (fi) Avkylnings- och uppvärmningsapparat
FI20284A (fi) Centrifugalbroms
FR938499A (fr) Microphone téléphonique
FR853409A (fr) écouteur téléphonique
FI20992A (fi) Multipeltelefonisystem
FR864369A (fr) étui pour allumettes
FI20036A (fi) Stående varmvattenpanna
FI19439A (fi) Sågblad
FI19230A (fi) Tumklove
BE441035A (fr) Thermoplastification naphtolene-buna
FI20022A (fi) Paarit
FI19284A (fi) Vägbeläggningsmaterial
FI20011A (fi) Flimmerpejlingsmottagare
FI19285A (fi) Vägsladd
FI19316A (fi) Bykmaskin
FI19347A (fi) Takskydd
FI19936A (fi) Flimmerpejlingsmottagare
FI19605A (fi) Skida
FI19925A (fi) Skidbindning