Horchortung 



137 



H W Z 



by sound, based on echo principle^ 

 range- and distance-determining de- 

 vice, intercept receiver, asdic 

 (submarine detector), -ortung 

 radio intercept service, sound 

 location, s. ranging. 



Kör-empfang auditory reception, 

 aural r., r. by ear, hearing or 

 earphones, -empf indl ichkei t 

 hearing ability, auditory sensi- 

 tivity. 



Hören, einohriges monaural listening 

 or reception. -, zweiohri ges bi- 

 naural or plastic hearing or au- 

 dition, two-channel listening. 

 Richtungs- aural determination of 

 direction (of airplanes), airplane 

 spotting. Rück- side tone. 



Hörer, Schau- aural and visual au- 

 dience, video-audio a., persons 

 receiving audible and visual im- 

 pressions simultaneously. Sprech- 

 microtelephone, telephone handset, 

 transceiver, walkie-talkie set. 



Hörer-echo listener echo, -gehause 

 receiver case, r. shell. 



Hörfilm (Tonfilm zur Rundfunk- 

 übertragung) sound film broadcast, 

 s. telecine or telecasting. 



Hörfrequenz audio, audible, tonal 

 or acoustic frequency, A.F. 

 über- supersonic, super -audible or 

 ultra-audio frequency. Unter- 

 sub-audio frequency. 



hörig, doppel- binaural, ein- 

 monaural. 



Horizont, künstlicher Flieger- arti- 

 ficial horizon. 



Hör i zontal-ablenkung horizontal or 

 line scan, sweep or deflection. 

 -Wechsel horizontal or line 

 synchronizing pulse or cycle. 



Hör-kopf sound (pickup) head. 

 -muschel earpiece, earcup. 



Horn, Exponential-, aufgewundenes 

 twisted or curled exponential or 

 logarithmic horn (of loudspeaker). 

 Exponential-, gefaltetes folded 

 exponential loudspeaker horn. 



Horn, Ruf- signal horn. Signal- 



bugle. Wal d- French horn, concert 

 h. 



hornig horny, horn-like, corneous, 

 callous. 



Hör-peilung auditory direction-find- 

 ing, -^amkeit acoustic properties, 

 acoustics, -schärfe acuity of hear- 

 ing, -schwelle audibility thres- 

 hold, -sorechschal ter talk-listen 

 switch (in inter-communication 

 systems ) . 



Hosenrohr syphon pipe, Y-pipe, 



Hub stroke, throw, travel, excursion; 

 percentage modulation. Frequenz- 

 frequency swing or deviation (above 

 and below the assigned resting 

 frequency, in f .-modulation), 

 amount by which instantaneous car- 

 rier f. differs from resting f. 

 Rück- return stroke, back s. 



Hubmagnet vertical stepping magnet 

 (automatic telephony). 



Hügel, Potential- potential barrier. 



HÜ He cover (ing), case, casing, 

 wrapper, envelope, sheath, cloak, 

 shell, hull (ship), contour, shroud. 

 Atom- atom shell. Dampf- steam 

 jacket; vaporous envelope or sheath. 

 Elektronen- electron shell, e. 

 shroud. Leucht- luminous sheath 

 or envelope, aureole, photosphere 

 (of sun), 1. shroud. Schutz- pro- 

 tective cover, p. coat, p. sheath. 



Hi) 1 1 en-el ektronen shell electrons. 

 -kurve envelope, -rohr encasing 

 tube or pipe, jacket. 



Hülse bush, sleeve, socket, case, 

 collar, barrel. 



Hülsenschliff female part of ground 

 joint. 



Hupe reed horn. 



Hüpfer, Hüpferschalter contactor (in 

 multiple-unit control system). 



Hütchenkondensator ceramic hood- 

 shaped fixed condenser or capacitor. 



Hüttenarbeit smelting, founding or 

 foundry work. 



Huygens'sche Elementarwellen Huygens 

 wavelets. 



H W Z (Halbwertzeit) half-value life. 



