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David Sarnoff, Howard Armstrong & the Superheterodyne Receiver

95,292 views

Kathy Loves Physics & History

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

96%
  • 11:39 / 12:03

Speech Rate:

  • 155 wpm - Fast

Category:

  • Science & Technology

Tags :

Intro:

Video Vocabulary

superheterodyne

/ˌso͞opərˈhedərəˌdīn/

adjective noun

denoting or using system of radio and television reception in which receiver produces tunable signal which is combined with incoming signal. superheterodyne receiver.

invented

/inˈvent/

verb

create or design.

bombing

/bäm/

noun verb

Dropping, attacking or throwing of bombs. To fail or be completely unsuccessful.

electricity

/əˌlekˈtrisədē/

noun

Energy generated positive and negative charges.

fulfill

/fo͝olˈfil/

verb

To finish or provide something successfully.

frequency

/ˈfrēkwənsē/

noun

Number of repetitions of (radio or sound) wave.

improbable

/imˈpräbəb(ə)l/

adjective

Not likely to happen or be true.

according

/əˈkôrdiNG/

adverb verb

as stated by. To give (someone) the respect due to them.

broadcast

/ˈbrôdˌkast/

adjective adverb noun verb

relating to broadcasts. by scattering. Program sent out from a radio or TV station. transmit by radio or television.

signals

/ˈsiɡnəl/

noun other verb

gesture, action, or sound that is used to convey information or instructions. Road-side lights that direct traffic to go or stop. convey information or instructions by means of gesture.

himself

/himˈself/

pronoun

used as object of verb to refer to male person previously mentioned as subject of clause.

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