<font color="#ee1169" size="5">楼宇对讲发展历陈</font><div class="O" vshape="_x0000_s1026" style="tab-interval: 1.1666in;"><div style="mso-line-spacing: "90 20 0"; mso-margin-left-alt: 252; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><span style="FONT-SIZE: 20pt; FONT-FAMILY: 方正宋黑简体; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: 方正宋黑简体; mso-fareast-font-family: 方正宋黑简体;"><b>可视对讲从1989年开始在我国应用于楼宇工程,大体可以分以下几个阶段 </b></span></div><div style="mso-line-spacing: "90 20 0"; mso-margin-left-alt: 252; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><span style="FONT-SIZE: 20pt; FONT-FAMILY: 方正宋黑简体; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: 方正宋黑简体; mso-fareast-font-family: 方正宋黑简体;"><b>一、非可视发展阶段 </b></span></div><div style="mso-line-spacing: "90 20 0"; mso-margin-left-alt: 252; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><span style="FONT-SIZE: 20pt; FONT-FAMILY: 方正宋黑简体; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: 方正宋黑简体; mso-fareast-font-family: 方正宋黑简体;"><b><span style="mso-spacerun: yes;"> </span>1989-1995,只有3-4个厂家在做,应用不多 </b></span></div><div style="mso-line-spacing: "90 20 0"; mso-margin-left-alt: 252; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><span style="FONT-SIZE: 20pt; FONT-FAMILY: 方正宋黑简体; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: 方正宋黑简体; mso-fareast-font-family: 方正宋黑简体;"><b>二、黑白可视发展阶段 </b></span></div><div style="mso-line-spacing: "90 20 0"; mso-margin-left-alt: 252; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><span style="FONT-SIZE: 20pt; FONT-FAMILY: 方正宋黑简体; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: 方正宋黑简体; mso-fareast-font-family: 方正宋黑简体;"><b><span style="mso-spacerun: yes;"> </span>1995-2000,是可视对讲迅猛发展的一个阶段,大部分公司都是这时期成立并发展的。 </b></span></div><div style="mso-line-spacing: "90 20 0"; mso-margin-left-alt: 252; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><span style="FONT-SIZE: 20pt; FONT-FAMILY: 方正宋黑简体; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: 方正宋黑简体; mso-fareast-font-family: 方正宋黑简体;"><b>三、彩色可视发展阶段 </b></span></div><div style="mso-line-spacing: "90 20 0"; mso-margin-left-alt: 252; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><span style="FONT-SIZE: 20pt; FONT-FAMILY: 方正宋黑简体; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: 方正宋黑简体; mso-fareast-font-family: 方正宋黑简体;"><b><span style="mso-spacerun: yes;"> </span>2000-2004,这段时间是可视对讲发展的黄金时期,随着我国房地产行业的热潮,可视对讲</b></span><span style="FONT-SIZE: 20pt; FONT-FAMILY: 方正宋黑简体; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: 方正宋黑简体; mso-fareast-font-family: 方正宋黑简体;"><b>迎来了黄金时期,利润普遍很高,为了追求产品的差异化,功能开始向多元化方向发展。这</b></span><span style="FONT-SIZE: 20pt; FONT-FAMILY: 方正宋黑简体; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: 方正宋黑简体; mso-fareast-font-family: 方正宋黑简体;"><b>段时间,很多公司都得以发展壮大。(安防、信息发布) </b></span></div><div style="mso-line-spacing: "90 20 0"; mso-margin-left-alt: 252; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><span style="FONT-SIZE: 20pt; FONT-FAMILY: 方正宋黑简体; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: 方正宋黑简体; mso-fareast-font-family: 方正宋黑简体;"><b>四、功能及外观多元化发展阶段 </b></span></div><div style="mso-line-spacing: "90 20 0"; mso-margin-left-alt: 252; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"><span style="FONT-SIZE: 20pt; FONT-FAMILY: 方正宋黑简体; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: 方正宋黑简体; mso-fareast-font-family: 方正宋黑简体;"><b><span style="mso-spacerun: yes;"> </span>2004-<span style="mso-spacerun: yes;"> </span>主流厂家的产品开始向外观优美、造型奇特、信息发布、图像抓拍、图像存储、远</b></span><span style="FONT-SIZE: 20pt; FONT-FAMILY: 方正宋黑简体; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: 方正宋黑简体; mso-fareast-font-family: 方正宋黑简体;"><b>程抄表、家电控制、触摸屏等等功能研发。随着数字技术的快速发展,信息发布技术、手机</b></span><span style="FONT-SIZE: 20pt; FONT-FAMILY: 方正宋黑简体; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: 方正宋黑简体; mso-fareast-font-family: 方正宋黑简体;"><b>短信息发布技术、留影留言技术、IP电话技术、电梯联动技术也在新兴的联网对讲系统中的</b></span><span style="FONT-SIZE: 20pt; FONT-FAMILY: 方正宋黑简体; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: 方正宋黑简体; mso-fareast-font-family: 方正宋黑简体;"><b>得到广泛的应用。免提可视分机应用日渐扩大并成为市场主流产品</b></span><span style="FONT-SIZE: 34pt; FONT-FAMILY: 方正宋黑简体; mso-hansi-font-family: "Times New Roman"; mso-ascii-font-family: 方正宋黑简体; mso-fareast-font-family: 方正宋黑简体;"> . </span></div><div style="TEXT-ALIGN: center; mso-line-spacing: "90 50 0"; mso-margin-left-alt: 252; mso-char-wrap: 1; mso-kinsoku-overflow: 1;"></div></div> |
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