Schütz 



means, safeguard. 



Schütz relay, contactor. 



Schutz, Berührungs- protection against 

 electric shock hazard. Schall- 

 sound proofing, s. insulation. 

 Ubersteuerungs- overload limiter. 



Schutz-ei nr i chtung, Fehl- fault-clear- 

 ing device, -funkenstrecke spill 

 gap. -gerät, Knal 1- crack silencer, 

 pistol shot s. , noise killer. 

 -gitter shield (in shield-grid 

 thyratron). -gitterröhre screen- 

 grid tube, shield-g. t.; shielded 

 plate t. -hüMe protective cover, 

 p. coat, p. sheath, -kappe, Li cht- 

 light hood, -korb arcing ring, 

 guard r. (of insulator), -marke 

 trade-mark, -masse resist (used 

 in printing, etc.) -mittel ,Licht- 

 hof- anti-halation means or sub- 

 stance, -netz, Anoden- screen grid, 

 plate shield, -rechte patent 

 rights, trade-mark r. , etc. (grant- 

 ed by or registered in Patent Of- 

 fice), -wul st, Sprüh- anti-corona 

 collar or tore, guard-ring. 



schwach, rauch- smokeless (of powder). 



schwach ausgesteuerter Tonstreifen 

 low-modulation track. 



schwächen weaken, enfeeble, impair, 

 attenuate, dilute, dim, absorb 

 (light), mute (sound). 



Schwächer, Fünf stufen- five-step 

 weakener (phot.) Stufen- step-type 

 weakener (spectr., phot.) 



schwachsichtig weak-sighted, amblyopic. 



Schwächung, L i cht- light absorption, 

 1. dimming, 1. drop, 1. loss, 

 cutting down or reduction of 1. 

 intensity, 1. diffusion. 



Schwächungs-glied attenuator, -periode 

 fading period, -widerstand gain 

 controller, g. regulator, poten- 

 tiometer. 



Schwanenhals goose neck. 



schwanken fluctuate, oscillate, vary, 

 shake, rock, sway or swing (of an 

 antenna). 



Schwankung, Frequenz- frequency flut- 

 ter, f. drift, lilt (when slow); 

 swing or deviation of f. (above and 

 below assigned resting or center 



259 Schwärzungseinheit 



f., in f-m). Lautstärke- fading, 

 fade out, volume or intensity 

 fluctuation. Regel- hunting (in 

 making adjustments or in regulat- 

 ing). Ton- pulsation of repro- 

 duced sound intensity, flutter 

 (known as wowows when up to 6 

 cycles per second, as flutter 

 when 6-30, as gargles when 3U- 

 200, and as whiskers when over 

 200 cps. ) Volumen- volume flut- 

 ter. 



Schwankungs-frequenz (cf Ton- 



schwankung) frequency of flutter. 

 -messung,Ton- flutter measuring 

 instrument, -schwächer , Frequenz- 

 discriminaior (converts frequency 

 drifi inio d.c. potential). 

 -theorem fluctuation theorem. 



Schwanz, Bl ind- arrangement making 

 resistance alternately zero and 

 infinite, in dipole feeders^ stub. 

 Film- trailer or run-out (piece of 

 blank film attached to film end). 

 Wellen- wave tail (in facsimile). 



Schwanzbanden tail bands (in after^^ 

 glow). 



schwanzloses Flugzeug Lailless air- 

 plane. 



Schwanzstück, Kurven- toe region of 

 film characteristic (or of gamma 

 curve of emulsion). 



Schwärme, Molekül- swarms of molecules. 



schwarz(e) Temperatur black-body 

 temperatur, cavity t. 



Schwarz-druck black printing, p. in 

 b. -pegel black level, -sender 

 unlicensed transmitter, illicit 

 t., "underground" t. station. 

 -strahl black (-body) radiation, 

 cavity r., Planckian r. -tempera- 

 tur black-body temperature, cavi- 

 ty t. 



Schwärzung blackening, density. 

 Kopier- printing density. Ruhe- 

 unmodulated density, no-sound d. 

 (in variable-density recording). 

 Schleier- fog density. 



Schwärzungs-abstufung density gradua- 

 tion, -bereich density range (y) 

 (say, from .3 to 3.0). -dichte 

 density (of film), -einheit unit 



