| 释义 |
pinger|ˈpɪŋə(r)|
[f. ping v.2 + -er1.]
1. a. A device that transmits pings (ping n. 1 b) at short intervals for purposes of detection, measurement, or identification.
1957Deep-Sea Res. IV. 120 The three principal units which comprise the camera are the photographic unit, the electronic flash light and the acoustic signal generator or ‘pinger’. 1960Electronics 24 June 95/3 The detailed contour of the bottom with respect to the pinger can be determined by recording the direct and bottom-reflected pings. 1969J. W. Mavor Voy. Atlantis ii. iv. 124 It was the shallowness of the water that made examination with Doc's pinger feasible. 1975Offshore Engineer Nov. 51/1 The pinger receiver audibly indicates the direction to a pinger using a manually operated sensitivity control located on the end of the receiver and an earphone.
b. (See quot.)
1961Partridge Dict. Slang (ed. 5) II. 1222/1 Pinger, the Asdic officer: Naval: since ca. 1936.
2. A timer that makes a ringing or pinging sound after a pre-set number of minutes.
1968J. Bingham I love, I Kill vi. 72, I heard the old vibrant tinkling, like those kitchen ping-ers which tell you when the cabbage is ready cooked. 1973Times 30 July 11/2 Many new cookers have automatic timing, with both a time of day clock for cooking while you are out and a 60-minute pinger for reminding you when you are in that a dish is cooked. 1976P. Dickinson King & Joker i. 10 Two eggs..boiled for two minutes... The pinger pinged. |