beeper

n.

能发出哔哔声音的仪器；

复数：beepers

1. Do you have a beeper?
   你有呼机吗？

Bio-chemical beeper
Using the Experience Sampling Method to Evaluate Ubicomp Applications
Randomized controlled trial of a personalized cellular phone reminder system to enhance adherence to antiretroviral therapy.
The Active Badge Location System
Language and Meaning: Data Collection in Qualitative Research.
Corporate imagination and expeditionary marketing.
Target tracking with binary proximity sensors:fundamental limits, minimal descriptions, and algorithms
Interrupted care. The effects of paging on pediatric resident activities.
The sampling of experiences in situ
Affect intensity: Separating intensity and frequency in repeatedly measured affect.